In this case I picked up the latest 0.2.2-r1 marked as test(unstable), but there is still one more 0.2.2, so the decision which you want try is on you.

After this unmasking newest ebuild gupnp-igd-0.2.2-r1 is installed and emerging can continue. I personally faced this issue when emerging latest gnome 3.8.* at my workstation._________________Emperor wants to control outer space Yoda wants to explore inner space that's the fundamental difference between good and bad sides of the Force